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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 213 · 40 sums
TalentJR

The trick (Urdhva Tiryagbhyam): Top: multiply crosswise — first top × second bottom, then first bottom × second top — and add (or subtract). Bottom: multiply the two bottoms. Simplify by dividing top and bottom by their HCF. Give the answer as a fraction like 17/12.

NameDateTime takenScore ___ / 40
  1. 1.11/12 − 2/10 =
  2. 2.4/10 + 8/11 =
  3. 3.10/11 + 4/7 =
  4. 4.1/3 + 1/2 =
  5. 5.1/2 + 3/6 =
  6. 6.3/8 + 1/2 =
  7. 7.10/12 − 1/4 =
  8. 8.2/5 + 1/2 =
  9. 9.5/6 + 1/11 =
  10. 10.1/11 + 4/5 =
  11. 11.5/8 + 6/12 =
  12. 12.1/9 + 1/2 =
  13. 13.9/11 + 3/4 =
  14. 14.7/8 − 4/10 =
  15. 15.2/10 + 2/9 =
  16. 16.3/8 + 2/3 =
  17. 17.1/8 + 3/7 =
  18. 18.7/12 + 3/7 =
  19. 19.3/7 + 2/9 =
  20. 20.1/3 + 1/3 =
  21. 21.6/12 − 2/5 =
  22. 22.5/9 + 3/4 =
  23. 23.2/3 + 4/8 =
  24. 24.3/9 + 5/7 =
  25. 25.9/10 − 2/11 =
  26. 26.3/4 − 1/2 =
  27. 27.5/11 + 1/3 =
  28. 28.1/2 + 1/2 =
  29. 29.4/9 − 1/6 =
  30. 30.2/8 + 1/12 =
  31. 31.4/8 + 1/8 =
  32. 32.1/3 − 1/9 =
  33. 33.1/5 + 1/4 =
  34. 34.4/9 + 1/2 =
  35. 35.9/11 + 7/11 =
  36. 36.5/11 − 2/11 =
  37. 37.5/9 − 3/8 =
  38. 38.4/5 − 2/12 =
  39. 39.1/3 + 3/6 =
  40. 40.3/6 + 2/4 =

Answer key

  1. 43/60
  2. 62/55
  3. 114/77
  4. 5/6
  5. 1
  6. 7/8
  7. 7/12
  8. 9/10
  9. 61/66
  10. 49/55
  11. 9/8
  12. 11/18
  13. 69/44
  14. 19/40
  15. 19/45
  16. 25/24
  17. 31/56
  18. 85/84
  19. 41/63
  20. 2/3
  21. 1/10
  22. 47/36
  23. 7/6
  24. 22/21
  25. 79/110
  26. 1/4
  27. 26/33
  28. 1
  29. 5/18
  30. 1/3
  31. 5/8
  32. 2/9
  33. 9/20
  34. 17/18
  35. 16/11
  36. 3/11
  37. 13/72
  38. 19/30
  39. 5/6
  40. 1

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